<!DOCTYPE html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
<script>
	$(document).ready(function(){
		$("#p1").mouseenter(function(){/* 태그영역안으로들어오면 */
			alert("You entered p1!");
		});
	});
</script>
</head>
<body>
<p id="p1">Enter this paragraph.</p>

</body>
</html>